(;AW[ar]AW[bq]AW[cq]AW[cr]AW[dq]AW[eq]AW[do]AW[co]AW[cp]AB[aq]AB[ap]AB[bp]AW[bo]AB[bn]AB[bm]AB[dn]AB[dm]AW[ep]AB[eo]AB[fo]AB[fp]AB[fq]AB[er]AB[dr]AB[gr]AB[br]AB[bs]AB[cs]C[Is it possible to kill white's group? If not, play N. If it is possible, play YFORCE]LB[bl:Y]LB[dl:N]AB[bj]AB[cj]AP[goproblems]
(;B[dl];W[bl]AB[bl]AW[bm]AW[bn]AB[bo]AW[bp]AW[ap]AW[aq]AB[bq]AB[cq]AB[dq]AB[eq]AB[ep]AB[cp]AB[co]AB[do]AW[eo]AW[fo]AW[fp]AW[fq]AW[dn]AW[dm]AW[dl]C[Oh! w disagrees-prove him wrong!!-Play cont to continueFORCE]AW[dr]AW[er]AB[cr]AW[br]AW[bs]AW[cs]AB[ar]AW[gr]LB[en:Cont]AW[bj]AW[cj];B[en];W[ao]
(;B[ds];W[es];B[an];W[ap]
(;B[aq];W[ao];B[bp];W[ao]
(;B[ap];W[am])
(;B[am];W[al]))
(;B[ao];W[aq];B[bp];W[aq])
(;B[bp];W[aq];B[ao];W[aq])
(;B[am];W[aq];B[ao]LB[dk:T]C[tenukki by W];W[dk]LB[dk:T];B[bp];W[aq]))
(;B[an];W[ap]
(;B[ao];W[aq];B[ds];W[es];B[bp];W[aq])
(;B[ds];W[es]
(;B[aq];W[ao];B[bp];W[ao]
(;B[ap];W[am])
(;B[am];W[al]))
(;B[ao];W[aq];B[bp];W[aq])
(;B[bp];W[aq];B[ao];W[aq])
(;B[am];W[aq]))
(;B[aq];W[ao]
(;B[bp];W[ao]
(;B[am];W[al])
(;B[ap];W[am]))
(;B[ds];W[es];B[bp];W[ao]
(;B[ap];W[am])
(;B[am];W[al])))
(;B[bp];W[aq]
(;B[ao];W[aq];B[ds];W[es])
(;B[ds];W[es];B[ao];W[aq]))
(;B[am];W[aq]
(;B[bp]LB[dk:T];W[dk]LB[dk:T]C[Tenuki by W]
(;B[ao];W[aq])
(;B[ds];W[es]))
(;B[ds];W[es];B[ao]LB[dk:T]C[tenukki by W];W[dk]LB[dk:T];B[bp];W[aq]))))
(;B[bl];W[dl]C[W disagrees!prove him wrong!]AB[bj]
(;B[ao];W[an];B[ap];W[ao];B[aq];W[bp];B[aq]C[Yes!!!RIGHT])
(;B[as];W[ao])))